No need to provide Purchase detail other then supplies attracts RCM As notification no 26/2018 central tax dated 13/6/18 in FORM GSTR-4, in the Instructions, for SI. No. 10, the following shall be substituted, namely:-“10. For the tax periods July, 2017 to September, 2017, October, 2017 to December, 2017, January, 2018 to March,2018 and April, 2018 to June, 2018, serial 4A of Table 4 shall not be furnished.”;Earlier this was waived till December, 2017Serial 4A of Table 4 requires the Composition dealer to furnish details of inward supplies received from a registered supplier (other than supplies attracting reverse charge)